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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Andrew Jones <andrew.jones@oss.qualcomm.com>
Cc: iommu@lists.linux.dev, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, fangyu.yu@linux.alibaba.com,
	tomasz.jeznach@linux.dev, oro@8bytes.org, will@kernel.org,
	robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com
Subject: Re: [PATCH] iommu/generic_pt: Fix the RISC-V supported feature mask
Date: Tue, 18 Aug 2026 10:14:06 -0300	[thread overview]
Message-ID: <20260818131406.GB5482@ziepe.ca> (raw)
In-Reply-To: <20260818092444.42755-1-andrew.jones@oss.qualcomm.com>

On Tue, Aug 18, 2026 at 11:24:44AM +0200, Andrew Jones wrote:
> The RISC-V format advertises Svpbmt to its users, but omits the feature
> from PT_SUPPORTED_FEATURES. Add it there so configurations which enable
> Svpbmt pass generic page-table feature validation.
> 
> Fixes: f196a8668797 ("iommu/riscv: Advertise Svpbmt support to generic page table")
> Signed-off-by: Andrew Jones <andrew.jones@oss.qualcomm.com>
> ---
>  drivers/iommu/generic_pt/fmt/iommu_riscv64.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason

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WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@ziepe.ca>
To: Andrew Jones <andrew.jones@oss.qualcomm.com>
Cc: iommu@lists.linux.dev, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, fangyu.yu@linux.alibaba.com,
	tomasz.jeznach@linux.dev, oro@8bytes.org, will@kernel.org,
	robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com
Subject: Re: [PATCH] iommu/generic_pt: Fix the RISC-V supported feature mask
Date: Tue, 18 Aug 2026 10:14:06 -0300	[thread overview]
Message-ID: <20260818131406.GB5482@ziepe.ca> (raw)
In-Reply-To: <20260818092444.42755-1-andrew.jones@oss.qualcomm.com>

On Tue, Aug 18, 2026 at 11:24:44AM +0200, Andrew Jones wrote:
> The RISC-V format advertises Svpbmt to its users, but omits the feature
> from PT_SUPPORTED_FEATURES. Add it there so configurations which enable
> Svpbmt pass generic page-table feature validation.
> 
> Fixes: f196a8668797 ("iommu/riscv: Advertise Svpbmt support to generic page table")
> Signed-off-by: Andrew Jones <andrew.jones@oss.qualcomm.com>
> ---
>  drivers/iommu/generic_pt/fmt/iommu_riscv64.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason

  parent reply	other threads:[~2026-08-18 13:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-18  9:24 [PATCH] iommu/generic_pt: Fix the RISC-V supported feature mask Andrew Jones
2026-08-18  9:24 ` Andrew Jones
2026-08-18 12:29 ` fangyu.yu
2026-08-18 12:29   ` fangyu.yu
2026-08-18 13:14 ` Jason Gunthorpe [this message]
2026-08-18 13:14   ` Jason Gunthorpe
2026-08-19  3:55 ` Nutty.Liu
2026-08-19  3:55   ` Nutty.Liu

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